EP1003448B1 - Condoms with improved security - Google Patents

Condoms with improved security Download PDF

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Publication number
EP1003448B1
EP1003448B1 EP98940484A EP98940484A EP1003448B1 EP 1003448 B1 EP1003448 B1 EP 1003448B1 EP 98940484 A EP98940484 A EP 98940484A EP 98940484 A EP98940484 A EP 98940484A EP 1003448 B1 EP1003448 B1 EP 1003448B1
Authority
EP
European Patent Office
Prior art keywords
condom
adhesive layer
active ingredient
adhesive
skin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98940484A
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German (de)
English (en)
French (fr)
Other versions
EP1003448A1 (en
Inventor
Arpad Kakonyi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Priority claimed from HU9701417A external-priority patent/HU9701417D0/hu
Application filed by Individual filed Critical Individual
Publication of EP1003448A1 publication Critical patent/EP1003448A1/en
Application granted granted Critical
Publication of EP1003448B1 publication Critical patent/EP1003448B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
    • A61F6/02—Contraceptive devices; Pessaries; Applicators therefor for use by males
    • A61F6/04—Condoms, sheaths or the like, e.g. combined with devices protecting against contagion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
    • A61F6/02—Contraceptive devices; Pessaries; Applicators therefor for use by males
    • A61F6/04—Condoms, sheaths or the like, e.g. combined with devices protecting against contagion
    • A61F2006/047—Condoms, sheaths or the like, e.g. combined with devices protecting against contagion with holding means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/917—Body fluid, devices for protection therefrom, e.g. aids, hepatitus
    • Y10S128/918—Condoms and shields

Definitions

  • condoms are the most wide-spread and from many aspects the most secure contraceptive devices which protect also against STD-s (sexually transmitted diseases). Nevertheless many people feel repugnance to condoms since the fear from slipping down thereof causes psychic troubles.
  • anatomical appearance of the penis may be very different individually, the blood leaves at first from the front part thereof i.e. from the glans penis when erection decreases. Then the penis will take a tapering conical form so the condom can slip down easily.
  • a wide scale of spermicides and lubricants is used on up-to-date condoms.
  • the outstanding effects exerted by such substances are required by the users, however, should the erection decrease such materials promote slipping down of the condom.
  • vaginal discharge In a state of decreased erection the vaginal discharge can also get into the inner part of the condom and the lubricating effect of this discharge might also promote slipping down of the condom.
  • a further problem is that in case if the condom slips down during a decreased erection then the pathogens of STD-s can cause an infection either by getting into the inner part of the condom or by getting out of it.
  • the coitus Due to the decreasing erection the coitus has to be terminated immediately after ejaculation so that the condom can not stay in the vagina and its content can not be emptied thereto.
  • a frequent cause for tearing the condoms is that they are hurt by the nails of users trying to retain them on their place when they are felt slipping down. Once the slipping down of the condom could be hindered there would be no need to retain it by the hand and therefore the danger of its tearing would be diminished.
  • Hungarian Patent No. 162 959 describes a contraceptive condom that can be stuck to the penis.
  • the condom disclosed therein has an adherent layer applied in a ring form on the inner surface of its open end having a rim which rim is suitably perforated.
  • a removable protecting cover is stuck over the adherent layer and a handling cover made of a more stiff material is stuck removably to the outer surface of the container in order to protect the material of the container and to enable users to take the condom thereby while sticking it.
  • the condom disclosed in the above Hungarian patent specification is in fact a little sacculus that can be put to the tip of the penis; it has a really small size and its primary purpose beside hindering the sperms in getting out of the condom is to cover as a small part from the surface of the penis as possible and thereby to diminish the decrease of the direct contact between the partners due to the condom use in the slightest degree possible (column 4, paragraph 4).
  • this solution could improve the quality of coitus with condom use by letting the more sensible parts of the penis uncovered.
  • a further disadvantage rendering also the practical applicability of the condom disclosed in Hungarian patent specification No. 162 959 questionable is that due to the small size of the condom and its localisation on the tip of the penis the adhesive material to be used on the inner surface at the open end of the condom on the sensible skin of the penis should possess such a strong effect which would irritate the skin considerably.
  • the solvent-containing cream or the liquid proposed for the removal of the condom might also cause a skin irritation and drying out of the skin since it has to be applied to a very sensitive skin surface.
  • the other possibility proposed for the after-use removal of the condom, i.e. the mechanical removal can be imagined to be painless provided that the applied adhesive material is strong enough to keep the small size condom on its place during all the movements in the course of coitus.
  • a further problem is that the condom disclosed in Hungarian patent specification No. 162 959 is not adapted to the individual differences occurring in the skin of penis.
  • the disc-shaped flat rim should fit to the skin plicae at the outlet part of urethra which renders the slip-proof, safe and comfortable applicability questionable also from anatomical point of view.
  • GB-A-2 229 922 discloses an external male urinary catheter with an internal adhesive layer optionally present at the opened end. It is said that the catheter may be arranged as a condom in order to act against male urinary incontinence. It is however not mentioned if such a condom is designed in a particular way or as the clearly disclosed catheter with an open distal end, having a body portion attached to a rigid drainage tube /i.e. a urine collecting tube/ via a folding neck portion of increased wall thickness and rigidity.
  • the catheter disclosed in GB-A-2 229 992 had been developed for use in bedridden state involving not too much moving, therefore its shapping makes it unsuitable for use as a condom having improved security against slip-off during coitus.
  • US-A-5 137 032 the problem of allowing or facilitating movements of the penis within the condom during use is solved. This is achieved by either a uniform condom or a condom with a "too big" closed end diameter where the condom is kept in place by means of an adhesive layer at the opened end. There is nowhere mentioned that the adhesive layer could be provided on the uniform condom. Such an arrangement could also not be implicitly interpreted as it would prevent the objects of US-A-5 137 032 (increasing male sensation and heightening enjoyment on the part of the male partner during intercourse by facilitating movements of the penis within the condom) to be achieved.
  • the arrangements as disclosed might help in achieving these objects but due to the fact that an essential element of the described arrangements is that they adhere to the vagina, this type of condom is expected to slip down quite easily during use.
  • the objective of the invention is to develop a condom with improved safety which does not slip down during coitus and thereby eliminates the above problems.
  • the further objective of the invention is to develop a condom with improved safety which is suitable for achieving also additional desired effects, especially which is and aid in preventing precocious ejaculation (ejaculatio precox).
  • the invention relates to a condom with improved security having an oblong container (1) of uniform diameter throughout, said container being open at one end and having an adhesive layer (2) applied in a ring form on the inner surface of its open end; said condom is characterized in that it covers the penis essentially in the full length thereof and said adhesive layer (2) is situated on the first third of the open end.
  • Condoms according to the invention surround an overwhelming part of the penis and the adhesive material applied in a ring form on the inner part of the condom on the first third of the open end thereof provides a perfect closing.
  • the adhesive material may be applied in a circular ring form on the inner surface of the condom. It must by all means be applied farther back than the position of the drawn back foreskin because of the sensitivity of the foreskin, i.e. it has to adhere to the outer skin surface of the penis.
  • ring form is meant to cover all kinds of circular adhesive material applications which provide a perfect closing.
  • the adhesive material applied in a ring form can be positioned e.g. as one or more circular, straight or wavy or zigzag stripe(s) or as any other similar shape providing a perfect closing.
  • the applied adhesive material is non-irritating for the skin, non-toxic and preferably environment-friendly.
  • Either synthetic or natural adhesive materials can be applied, preferably adhesive materials generally applied in surgical plasters are used.
  • the main components of the listed adhesive materials are the above basic polymers but the adhesive materials may have different compositions.
  • the adhesive material can contain also antiinflammatory materials capable of being absorbed through the skin and thus preventing inflammation thereof.
  • antiinflammatory materials are for example hydrocortisone, hydrocortisone acetate, prednisolone, methyl prednisolone, triamcinolone acetonide, fludrocortisone, flurandrenolone, flumetazone, dexamethasone sodium phosphate, betamethasone vaierate, fluocinolone acetonide, fluorometholone, pramoxine hydrochloride etc.
  • a person skilled in the art of transdermal medicinal technique can choose without difficulty the type and dose of the antiinflammatory material that can be admixed to a certain adhesive and can choose also one or more additive(s) promoting absorption.
  • any adhesive material is suitable for forming the adhesive layer of the condom according to the invention provided that it is no-toxic, not irritating for the skin and does not interact with the material of the condom and/or with the applied antiinflammatory, spermicidal, lubricating or other materials that are present.
  • the adhesive material applied on the condom according to the invention does not interfere with the application of spermicidal and lubricating materials either on the outer or on the inner surface of the condom.
  • spermicides and/or lubricants can be applied to the non-adherent condom parts.
  • the adhesive material adheres both to the skin and to the rubber of the condom.
  • a non-adherent layer is applied on the outer surface of the condom positioned opposite to the adhesive layer in wound up state which non-adherent layer hinders adhering of the adhesive layer to the outer surface of the condom during winding up in the manufacturing process.
  • the non-adherent layer can be formed in a per se known way, preferably e.g. by applying a thin plastic coating which is non-adherent to the particles of the used adhesive.
  • Silicone polyorganosiloxane
  • silicone has a well-known form-releasing, antiadherent capability.
  • the non-adherent layer positioned opposite to the adhesive layer has a width bigger than that of the adhesive layer.
  • a further preferred embodiment comprises two or more layers in the adhesive layer applied on the condom.
  • the layer facing the condom has to contain an adhesive material having good adherence to the rubber or the adhesive material in that layer has to be applied on an area of the inner condom surface that had been pretreated to improve adherence, while the layer facing the skin has to contain an adhesive material having good adherence to the skin.
  • a further objective of the invention is to provide a condom with improved safety which fulfils the above-listed requirements and in addition thereto makes it possible to introduce certain active ingredients directly into the skin and thereby to aid achieving further desired effects.
  • Such a desired effect is to prevent precocious ejaculation.
  • spreading of local anaesthetic solutions or ointments over the glans penis and the foreskin is proposed.
  • lidocaine other known topical anaesthetics can also be used, some examples of which are listed hereinbelow without the intent of limitation: procaine, lidocaine hydrochloride, amethone, hostacaine, cyclomethycaine, dyclonine, hexylcaine, hydroxyprocaine, hydroxytetracaine, leucinocaine, mepivacaine, bupivacaine, marcaine, pramocaine, quinisocaine, norcaine, etc.
  • 10 ml active ingredient containing a topical anaesthetic can be prepared e.g. (but not exclusively) in the following manner.
  • the antiinflammatory material used together with the local anaesthetic if necessary may be for example (but not exclusively) any of the antiinflammatory materials listed above as compatible with the adhesive material.
  • a person having ordinary skill in the art can choose the type and the amount of carriers and/or auxiliaries as well as the necessary dose for a given local anaesthetic. It should be taken into account as a hindering reason that the components of the mixture containing the active ingredient must not interact with the spermicide eventually wished to be used simultaneously.
  • the condom according to the invention e.g. stimulants, materials increasing hyperaemia can also be contained, which stimulants can be used also together with antiinflammatory materials, further other active ingredients or active ingredient combinations can also be contained. Beside the component exerting the desired effect the used active ingredients can contain also proper auxiliaries aiding penetration into the skin and exertion of the effect.
  • the condom according to the invention with active ingredient contains stimulants, materials increasing hyperaemia instead of the local anaesthetic exerting an effect contrary to the effect of stimulants. Since stimulants rubbed into the skin of the penis can dissolve into the female genital organs during coitus and can cause undesired effects there, it can be reasonable to place also such materials within the condom.
  • the applicable known stimulants, materials increasing hyperaemia can be e.g., but not exclusively the following ones: capsaicin (stimulating the thermosensitive nerve terminals, causes a burning, warm feeling and hyperaemia), camphor, potash soap, soda soap, allyl isothiocyanate, mustard oil, aetheroleum terebinthinae rectificatum, nicotinic acid benzylester, pyridine ⁇ -carboxylic acid benzylester, nicotinic acid ⁇ -buthoxyethylester, nicotinic acid tetrahydrofurfurylester, etc.
  • Some of the listed substances may cause inflammation therefore they are reasonably used simultaneously with a known antiinflammatory material.
  • a person having ordinary skill in the art can select the dose to be used and the quantity of the auxiliaries also in connection with these substances.
  • the preferred embodiment of the condom shown on Figure 1 has an open container 1, an adhesive layer 2, and a non-adherent surface 3.
  • the embodiment shown on Figure 1 has an adhesive layer 2 applied as a straight stripe having a width of 25 mm.
  • the non-adherent surface 3 is slightly shifted compared to the stripe of the adhesive layer 2, i.e. the former is wider than the latter in order to achieve that by winding up the adhesive layer 2 be positioned opposite to non-adherent surface 3.
  • the adhesive layer 2 instead of a stripe in the form of more than one straight, wavy, zigzag or otherwise shaped stripes forming closed lines.
  • the preferred width of the adhesive layer is 20-30 mm at this embodiment.
  • Figure 2 illustrates one step of a possible manufacturing technology suitable for manufacturing the condom according to the invention.
  • a condom-shaped open container 1 made of latex starting material is prepared in a conventional manner then it is drawn to a silicone rubber cylinder 4 fitting to its size.
  • the outer surface is made non-adherent in a circular stripe having a width of 5 cm by applying a silicone layer 3 starting at a distance of 1,5 cm from the open end.
  • a silicone rubber tube 5 having a wall thickness of 2 mm is pushed onto the open container 1 from the direction of the closed end thereof and an about 5 cm long turned out part of the open end of the open container 1 is pulled thereon.
  • An adhesive layer having a width of 2 cm is applied by a known process (rolling) in a layer thickness corresponding to an amount of 3,5 mg/cm 2 in a circular form onto the surface starting at a distance of 2,5 cm from the thicker ring 6 positioned at the open end of the open container 1.
  • Acronal® 102 L (BASF) is used as an adhesive material which is polyacrylic acid ester based copolymer dissolved in benzine and having the following characteristics: thermally curable (optimally 90 sec/100°C); viscosity at 23°C is 600-1900 mPa/sec (DIN 53019); flash point is -34°C (DIN 51755); density is 0,77 g/cm 3 at 20°C
  • the adhesive material is cured by blowing of air having a temperature of 100°C for 90 seconds. Then the adherent surface is turned back to the silicone rubber cylinder 4 by pushing forward the silicone rubber tube 5. Thereafter the condom can be wound up in a conventional manner without the adhesive material being adhered to the cylinder.
  • Figure 3 is a further preferred embodiment of the condom according to the invention.
  • One possible application area for this embodiment is the prevention of precocious ejaculation.
  • the active ingredient in case of a condom for the prevention of precocious ejaculation the local anaesthetic
  • the mixture containing the active ingredient is contained within the condom, preferably in the sperm collecting sacculus 7 at the closed end of the condom; a sperm collecting sacculus of this type is generally present at the closed end of the conventional condoms, too.
  • the adhesive layer 2 hinders getting out of the active ingredient from the condom during use.
  • a narrowing 8 is formed (preferably by puckering of the material during manufacture) to keep the active ingredient 9 /in the specification under the term "active ingredient” mixtures comprising one or more active ingredient(s) 9 or mixtures containing one or more active ingredient(s) 9 as their component(s) are also meant/ within the sperm collecting sacculus 7 till the condom use.
  • the volume of the sperm collecting sacculus after puckering is preferably at least 1 ml.
  • auxiliaries can also be used admixed to the active ingredient contained within the condom.
  • auxiliaries can be e.g. (but not exclusively) agents promoting absorption, antiinflammatory substances, conserving agents, stabilizers, etc.
  • the sperm collecting sacculus 7 When putting on a conventional condom the sperm collecting sacculus 7 should be compressed to expel air therefrom in order to enable said sacculus to hold the sperm.
  • the active ingredient 9 When putting on the condom according to the invention the active ingredient 9 can be pushed out with the same move from the sperm collecting sacculus 7 onto the skin of the glans penis and it can be rubbed with a circular move on the full surface of the glans penis including also the frenulum. Thereafter the sperm collecting sacculus 7 fulfils its function normally as the narrowing 8 is able to widen.
  • Active ingredients 9 having a more intensive effect can be incorporated also into the adhesive layer 2 adhering to the outer skin surface of the penis by a known process.
  • Said process is the transdermal technique wide-spread in the medicine which may involve constructing one-layered or more-layered matrices adapted to the intended application by using adherent materials, active ingredients, chemical membranes promoting or controlling absorption and other auxiliaries in order to achieve a uniform controlled administration by protracting the release of active ingredients.
  • the active ingredients incorporated into the adhesive layer of the condom according to the invention serve for reaching quite a contrary purpose.
  • the maximum quantity of active ingredient has to be introduced into the skin during the shortest time possible.
  • the auxiliaries applied serve for a quick absorption, adhesion of the active ingredient to the material of the condom is ensured by an intermediate adherent layer and the material density is adjusted so that the active ingredient remains on its place even at the winding down of the condom when putting it on.
  • the increasing effect of the auxiliaries to the speed of absorption through the skin, the effective concentration and the friction movements during the coitus together lead to an abrupt active ingredient release.
  • An adherent layer serving as an intermediate adherent layer having a width of 5 cm and the smallest layer thickness possible is formed in a circular shape on the surface starting at 1,5 cm from the open end of the condom
  • the adhesive surface adhering to the skin is formed by applying a further adhesive layer so that a continuous adhesive stripe having a width of 5-8 mm is present at that edge of the adherent stripe which is positioned at the open end of the condom in order to hinder the active ingredient in getting out of the condom, and longitudinal stripes or spots ensuring also the adherence to the skin are formed on the remaining surface of the adherent layer.
  • the active ingredient can be applied to the surface not covered by the second layer of the adhesive material.
  • the whole system can be covered by a chemical membrane hindering the active ingredient in getting out of the condom before use, however, ensuring a quick penetration of the active ingredient through the membrane upon contacting the skin.
  • the surface contacting the skin is 30-40 cm 2 , provided that the surface adhering to the skin amounts to 20-40 % of the whole surface.
  • a continuous adhesive layer has to be formed also on that side of the adherent stripe which faces the inner part of the condom.
  • transdermal plasters For a person having ordinary skill in the manufacture of transdermal plasters the use of the transdermal technique in forming the active ingredient releasing adherent layer according to the invention does not create any problem.
  • Figure 4 shows another possible application of the active ingredient within the condom.
  • the starting material of the condom which may be e.g. latex
  • containers 10 having preferably a longitudinal position and formed from the material of the condom are present on the area stretching from the adhesive layer 2 applied at the open end and from the non-adherent surface 3 positioned opposite thereto towards the closed end (preferably starting at a distance of 6 cm from the open end of the condom).
  • the containers are present in form of recesses on the inner side and in form of bulges on the outer side.
  • the containers 10 hold the active ingredient 9 preferably in such a manner that a chemical membrane not shown on the Figure 4 hinders the active ingredient in getting out of the containers 10 before use. Permeability of the membrane applied if necessary, the carriers and auxiliaries applied if necessary, the optimal active ingredient dose and the friction movements promote introduction of the proper amount of active ingredient into the skin.
  • active ingredient 9 is contained within the condom according to the invention it can be contained in the sperm collecting sacculus and/or in the containers 10 formed from the material of the condom and separated by membranes if desired and/or in the adhesive layer.
  • the adhesive layer applied on the condom ensures retaining of the active ingredient within the condom during use in case of all embodiments.
  • the condom provides a more secure feeling for the user, less attention is required during its use and the psychic troubles are decreased.
  • the condom according to the invention may be manufactured in a known, usual way except for the application of an adhesive layer, further apart from the following steps if desired: forming the containers present on the inner surface of the condom, putting membranes to the inner surface of the condom and forming a non-adherent surface.
  • the solution according to the invention can be used in case of all known condom forms covering an overwhelming part of the penis.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Reproductive Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Mushroom Cultivation (AREA)
  • Materials For Medical Uses (AREA)
  • Medicinal Preparation (AREA)
EP98940484A 1997-08-19 1998-08-19 Condoms with improved security Expired - Lifetime EP1003448B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
HU7001417 1997-08-19
HU9701417A HU9701417D0 (en) 1997-08-19 1997-08-19 Safety condom
HU9801885A HU220497B1 (hu) 1997-08-19 1998-08-14 Javított biztonságú gumióvszer
HU8001885 1998-08-14
PCT/HU1998/000079 WO1999008630A2 (en) 1997-08-19 1998-08-19 Condoms with improved security

Publications (2)

Publication Number Publication Date
EP1003448A1 EP1003448A1 (en) 2000-05-31
EP1003448B1 true EP1003448B1 (en) 2003-10-01

Family

ID=89996965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98940484A Expired - Lifetime EP1003448B1 (en) 1997-08-19 1998-08-19 Condoms with improved security

Country Status (14)

Country Link
US (1) US6536438B1 (es)
EP (1) EP1003448B1 (es)
JP (2) JP2001514927A (es)
CN (1) CN1168424C (es)
AT (1) ATE250910T1 (es)
AU (1) AU8880398A (es)
DE (1) DE69818684T2 (es)
DK (1) DK1003448T3 (es)
ES (1) ES2205537T3 (es)
HK (1) HK1030352A1 (es)
HU (1) HU220497B1 (es)
PT (1) PT1003448E (es)
RU (1) RU2201728C2 (es)
WO (1) WO1999008630A2 (es)

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CN107249521A (zh) * 2014-10-16 2017-10-13 约翰.应钦.唐 非卷式粘着剂安全套和简短型安全套
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JPH07289576A (ja) * 1994-04-21 1995-11-07 Tsuguto Kaieda 潤滑ゼリー封入式コンドーム及びその製造方法。
US5806524A (en) * 1997-10-10 1998-09-15 Hernandez; Arturo Rafael Male condom device with improved adhesivity and method for manufacturing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104921862B (zh) * 2015-05-25 2018-03-27 广州朗圣药业有限公司 定量润滑避孕套

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WO1999008630A2 (en) 1999-02-25
EP1003448A1 (en) 2000-05-31
HK1030352A1 (en) 2001-05-04
WO1999008630A3 (en) 1999-04-15
DE69818684D1 (de) 2003-11-06
JP2001514927A (ja) 2001-09-18
CN1168424C (zh) 2004-09-29
AU8880398A (en) 1999-03-08
HU220497B1 (hu) 2002-02-28
HU9801885D0 (en) 1998-10-28
JP2009261939A (ja) 2009-11-12
DK1003448T3 (da) 2004-03-29
CN1271263A (zh) 2000-10-25
ES2205537T3 (es) 2004-05-01
HUP9801885A1 (hu) 2000-08-28
US6536438B1 (en) 2003-03-25
PT1003448E (pt) 2004-02-27
RU2201728C2 (ru) 2003-04-10
DE69818684T2 (de) 2004-08-05
ATE250910T1 (de) 2003-10-15

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